2602004421 has 32 divisors (see below), whose sum is σ = 3660952320. Its totient is φ = 1640669184.

The previous prime is 2602004417. The next prime is 2602004423. The reversal of 2602004421 is 1244002062.

It is not a de Polignac number, because 2602004421 - 2² = 2602004417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2602004423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3865941 + ... + 3866613.

It is an arithmetic number, because the mean of its divisors is an integer number (114404760).

Almost surely, 2^2602004421 is an apocalyptic number.

It is an amenable number.

2602004421 is a deficient number, since it is larger than the sum of its proper divisors (1058947899).

2602004421 is a wasteful number, since it uses less digits than its factorization.

2602004421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2602004421 is about 51009.8463142166. The cubic root of 2602004421 is about 1375.4221374501.

Adding to 2602004421 its reverse (1244002062), we get a palindrome (3846006483).

The spelling of 2602004421 in words is "two billion, six hundred two million, four thousand, four hundred twenty-one".